#405FC5#405FC5

#405FC5 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.9% C 0.163 H 267.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#405FC5
RGB	rgb(64, 95, 197)
HSL	hsl(226, 53%, 51%)
HSV	hsv(226, 68%, 77%)
CMYK	cmyk(67.5%, 51.8%, 0%, 22.7%)
CIE-LAB	lab(43.22, 22.43, -56.72)
CIE-LCH	lch(43.22, 60.99, 291.58°)
OKLab	oklab(51.87% -0.0066 -0.1629)
OKLCH	oklch(51.87% 0.163 267.7)
XYZ	xyz(16.2811, 13.3041, 54.5224)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FC5 #C5A640

analogous

#40A1C5 #405FC5 #6340C5

triadic

#405FC5 #C5405F #5FC540

tetradic

#405FC5 #C540A1 #C5A640 #40C563

square

#405FC5 #C540A1 #C5A640 #40C563

split-complementary

#405FC5 #C56340 #A1C540

monochromatic

#20326A #2F4799 #405FC5 #6F86D3 #9EAEE2

Accessibility & contrast

On white

5.74

#405FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#405FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FC5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FC5	#FFFFFF	#000000	##FFFFFF
##405FC5	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6CC9

Deuteranopia (green-blind)

#0060C3

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405fc5;
/* rgb */ color: rgb(64, 95, 197);
/* oklch */ color: oklch(51.9% 0.163 267.7);

Tailwind

colors: {
  custom: {
    50: '#848cd7',
    500: '#405fc5',
    950: '#000000',
  },
}

SCSS

$custom: #405fc5;
$custom-light: #848cd7;
$custom-dark: #000000;

JSON

{
  "hex": "#405fc5",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 197
  },
  "hsl": {
    "h": 226.015,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51872,
    "c": 0.16303,
    "h": 267.7
  },
  "luminance": 0.13306
}

Semantic roles & 50–950 ramp

primary

#405FC5

secondary

#CEC093

accent

#BB4BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #405FC5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →